<?php

if (!defined('BASEPATH'))
  exit('No direct script access allowed');
/**
 * CodeIgniter
 *
 * An open source application development framework for PHP 5.1.6 or newer
 *
 * @package		CodeIgniter
 * @author		ExpressionEngine Dev Team
 * @copyright	Copyright (c) 2008 - 2011, EllisLab, Inc.
 * @license		http://codeigniter.com/user_guide/license.html
 * @link		http://codeigniter.com
 * @since		Version 1.0
 * @filesource
 */
// ------------------------------------------------------------------------

/**
 * SQLite Result Class
 *
 * This class extends the parent result class: CI_DB_result
 *
 * @category	Database
 * @author		ExpressionEngine Dev Team
 * @link		http://codeigniter.com/user_guide/database/
 */
class CI_DB_sqlite_result extends CI_DB_result {

  /**
   * Number of rows in the result set
   *
   * @access	public
   * @return	integer
   */
  function num_rows() {
    return @sqlite_num_rows($this->result_id);
  }

  // --------------------------------------------------------------------

  /**
   * Number of fields in the result set
   *
   * @access	public
   * @return	integer
   */
  function num_fields() {
    return @sqlite_num_fields($this->result_id);
  }

  // --------------------------------------------------------------------

  /**
   * Fetch Field Names
   *
   * Generates an array of column names
   *
   * @access	public
   * @return	array
   */
  function list_fields() {
    $field_names = array();
    for ($i = 0; $i < $this->num_fields(); $i++) {
      $field_names[] = sqlite_field_name($this->result_id, $i);
    }

    return $field_names;
  }

  // --------------------------------------------------------------------

  /**
   * Field data
   *
   * Generates an array of objects containing field meta-data
   *
   * @access	public
   * @return	array
   */
  function field_data() {
    $retval = array();
    for ($i = 0; $i < $this->num_fields(); $i++) {
      $F = new stdClass();
      $F->name = sqlite_field_name($this->result_id, $i);
      $F->type = 'varchar';
      $F->max_length = 0;
      $F->primary_key = 0;
      $F->default = '';

      $retval[] = $F;
    }

    return $retval;
  }

  // --------------------------------------------------------------------

  /**
   * Free the result
   *
   * @return	null
   */
  function free_result() {
    // Not implemented in SQLite
  }

  // --------------------------------------------------------------------

  /**
   * Data Seek
   *
   * Moves the internal pointer to the desired offset.  We call
   * this internally before fetching results to make sure the
   * result set starts at zero
   *
   * @access	private
   * @return	array
   */
  function _data_seek($n = 0) {
    return sqlite_seek($this->result_id, $n);
  }

  // --------------------------------------------------------------------

  /**
   * Result - associative array
   *
   * Returns the result set as an array
   *
   * @access	private
   * @return	array
   */
  function _fetch_assoc() {
    return sqlite_fetch_array($this->result_id);
  }

  // --------------------------------------------------------------------

  /**
   * Result - object
   *
   * Returns the result set as an object
   *
   * @access	private
   * @return	object
   */
  function _fetch_object() {
    if (function_exists('sqlite_fetch_object')) {
      return sqlite_fetch_object($this->result_id);
    } else {
      $arr = sqlite_fetch_array($this->result_id, SQLITE_ASSOC);
      if (is_array($arr)) {
        $obj = (object) $arr;
        return $obj;
      } else {
        return NULL;
      }
    }
  }

}

/* End of file sqlite_result.php */
/* Location: ./system/database/drivers/sqlite/sqlite_result.php */